Today Z in her green tractor was cutting the grass. I remember her saying once that she did this carefully so as not to upset the skylarks. So she would rota areas to be cut, leave others and when cutting set the height well above any nesting birds. It must work as there are always numerous skylarks which are resident all year round. Walking through the grass before it is cut, avoiding where cattle have left reminders of their presence, I often see tiny, dark holes. At first I surmised these to be vole holes as ketstrals can now be seen hovering quite often. However, another explanation could be that they are small excavations caused by crows digging, hiding their food. I sometimes feed them and then watch as they sail a few yards away to jab the soil hidden by tall grasses. I have also seen them, sometimes, get some clumps of grass and push these down over what they have buried to hide them from other crows. At this time of year the adolescent offspring join their parents in this practise, thus learning how to hoard food in times of plenty. Crows seem to be very territorial at this time of the year and chase off others who infringe their domain .
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